How did Antonio Vivaldi learn to play the violin?

Antonio Vivaldi’s primary teacher was his father, Giovanni Battista, who was a professional violinist admitted to the orchestra of the San Marco Basilica in Venice in 1685.1

Antonio received his early training from his father and made his first known public appearance in 1696, playing alongside him as a "supernumerary" violinist at the basilica. Through this upbringing and his subsequent career, he developed into an excellent violinist, eventually serving as the violin master at the Ospedale della Pietà, a home for foundlings in Venice, where he provided musical instruction to the institution's wards.12